diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ea79e368f668e313b85464edf79a3bc30e3d872..8fe971988994441a6d55e03fe3fd4328eacc961d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@
 
 ## [Unreleased]
 
+## Fixed
+
+- 修复看板泳道分组界面行为组样式异常
+
 ## [0.7.41-alpha.21] - 2025-08-27
 
 ### Added
diff --git a/src/control/kanban/swimlane-kanban/swimlane-kanban.scss b/src/control/kanban/swimlane-kanban/swimlane-kanban.scss
index 2370e047bf64041ea6922cb1008e5573754b68e3..b449f64d3d68fce347f84994c25831b9a24b3139 100644
--- a/src/control/kanban/swimlane-kanban/swimlane-kanban.scss
+++ b/src/control/kanban/swimlane-kanban/swimlane-kanban.scss
@@ -121,27 +121,20 @@ $swimlane-kanban: (
 
     @include m('popper') {
       &.el-popper {
+        >.el-scrollbar {
+          overflow: visible;
+        }
+        .#{bem(action-toolbar, popover)} {
+          background-color: getCssVar(color, primary);
+        }
+
         &.el-dropdown__popper {
           .el-scrollbar__view {
             &.el-dropdown__list {
               padding: getCssVar('spacing', 'extra', 'tight')
                 getCssVar('spacing', 'none');
-              background-color: getCssVar('color', 'white');
             }
           }
-
-          .el-button {
-            color: getCssVar('color', 'text', 2);
-
-            --el-button-bg-color: #{getCssVar('color', 'white')};
-            --el-button-hover-bg-color: #{getCssVar('color', 'fill', 0)};
-            --el-button-active-bg-color: #{getCssVar('color', 'fill', 0)};
-            --el-button-text-color: #{getCssVar('color', 'text', 2)};
-            --el-button-hover-text-color: #{getCssVar('color', 'primary')};
-            --el-button-active-text-color: #{getCssVar('color', 'primary')};
-
-            border: none;
-          }
         }
       }
     }
diff --git a/src/control/kanban/swimlane-kanban/swimlane-kanban.tsx b/src/control/kanban/swimlane-kanban/swimlane-kanban.tsx
index 210b83587cd6ebe72e499f55b7aaa7d4852b77cd..0005f271ee42060bef1676e590e5219a475226ab 100644
--- a/src/control/kanban/swimlane-kanban/swimlane-kanban.tsx
+++ b/src/control/kanban/swimlane-kanban/swimlane-kanban.tsx
@@ -271,6 +271,7 @@ export const SwimlaneKanban = defineComponent({
           {showActionBar && (
             <el-dropdown
               trigger='click'
+              teleported={false}
               style={popperStyle}
               class={[
                 ns.em('header', 'action'),
@@ -294,6 +295,7 @@ export const SwimlaneKanban = defineComponent({
                   <div class={ns.em('header', 'toolbar')}>
                     {c.model.groupUIActionGroup && (
                       <iBizActionToolbar
+                        zIndex={c.state.zIndex}
                         actionDetails={
                           c.model.groupUIActionGroup.uiactionGroupDetails
                         }